She1ljos1araSh She1ljos1araSh
  • 08-02-2016
  • Mathematics
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Factor this expression completely x^2-r^2

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ayshadhilna1
ayshadhilna1 ayshadhilna1
  • 08-02-2016
(x+r)(x-r) , according to the identity a^2-b^=(a+b)(a-b)

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